Supplier Page from Thermo Fisher Scientific for (S)-(+)-2-Aminobutane, 98%
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific